diff options
author | Colin Watson <cjwatson@debian.org> | 2003-09-23 18:08:35 +0000 |
---|---|---|
committer | Colin Watson <cjwatson@debian.org> | 2003-09-23 18:08:35 +0000 |
commit | d59fd3e421aa81b8e5e118f3f806081df2aca879 (patch) | |
tree | 356a4e607edc979c625bb33db63c656d771478bd /clientloop.c | |
parent | 7505658c58e96b8d270f1928a0e1fa7f3e0c266b (diff) | |
parent | 45431c9b4677608680cd071768cbf156b316a7e8 (diff) |
Merge 3.7.1p2 to the trunk. I have absolutely no idea yet whether this will
work.
Diffstat (limited to 'clientloop.c')
-rw-r--r-- | clientloop.c | 48 |
1 files changed, 30 insertions, 18 deletions
diff --git a/clientloop.c b/clientloop.c index 9549dadd4..d445230e5 100644 --- a/clientloop.c +++ b/clientloop.c | |||
@@ -59,7 +59,7 @@ | |||
59 | */ | 59 | */ |
60 | 60 | ||
61 | #include "includes.h" | 61 | #include "includes.h" |
62 | RCSID("$OpenBSD: clientloop.c,v 1.107 2003/04/01 10:22:21 markus Exp $"); | 62 | RCSID("$OpenBSD: clientloop.c,v 1.112 2003/06/28 16:23:06 deraadt Exp $"); |
63 | 63 | ||
64 | #include "ssh.h" | 64 | #include "ssh.h" |
65 | #include "ssh1.h" | 65 | #include "ssh1.h" |
@@ -414,9 +414,9 @@ client_suspend_self(Buffer *bin, Buffer *bout, Buffer *berr) | |||
414 | 414 | ||
415 | /* Flush stdout and stderr buffers. */ | 415 | /* Flush stdout and stderr buffers. */ |
416 | if (buffer_len(bout) > 0) | 416 | if (buffer_len(bout) > 0) |
417 | atomicio(write, fileno(stdout), buffer_ptr(bout), buffer_len(bout)); | 417 | atomicio(vwrite, fileno(stdout), buffer_ptr(bout), buffer_len(bout)); |
418 | if (buffer_len(berr) > 0) | 418 | if (buffer_len(berr) > 0) |
419 | atomicio(write, fileno(stderr), buffer_ptr(berr), buffer_len(berr)); | 419 | atomicio(vwrite, fileno(stderr), buffer_ptr(berr), buffer_len(berr)); |
420 | 420 | ||
421 | leave_raw_mode(); | 421 | leave_raw_mode(); |
422 | 422 | ||
@@ -509,13 +509,13 @@ process_cmdline(void) | |||
509 | if (*s == 0) | 509 | if (*s == 0) |
510 | goto out; | 510 | goto out; |
511 | if (strlen(s) < 2 || s[0] != '-' || !(s[1] == 'L' || s[1] == 'R')) { | 511 | if (strlen(s) < 2 || s[0] != '-' || !(s[1] == 'L' || s[1] == 'R')) { |
512 | log("Invalid command."); | 512 | logit("Invalid command."); |
513 | goto out; | 513 | goto out; |
514 | } | 514 | } |
515 | if (s[1] == 'L') | 515 | if (s[1] == 'L') |
516 | local = 1; | 516 | local = 1; |
517 | if (!local && !compat20) { | 517 | if (!local && !compat20) { |
518 | log("Not supported for SSH protocol version 1."); | 518 | logit("Not supported for SSH protocol version 1."); |
519 | goto out; | 519 | goto out; |
520 | } | 520 | } |
521 | s += 2; | 521 | s += 2; |
@@ -526,24 +526,24 @@ process_cmdline(void) | |||
526 | sfwd_port, buf, sfwd_host_port) != 3 && | 526 | sfwd_port, buf, sfwd_host_port) != 3 && |
527 | sscanf(s, "%5[0-9]/%255[^/]/%5[0-9]", | 527 | sscanf(s, "%5[0-9]/%255[^/]/%5[0-9]", |
528 | sfwd_port, buf, sfwd_host_port) != 3) { | 528 | sfwd_port, buf, sfwd_host_port) != 3) { |
529 | log("Bad forwarding specification."); | 529 | logit("Bad forwarding specification."); |
530 | goto out; | 530 | goto out; |
531 | } | 531 | } |
532 | if ((fwd_port = a2port(sfwd_port)) == 0 || | 532 | if ((fwd_port = a2port(sfwd_port)) == 0 || |
533 | (fwd_host_port = a2port(sfwd_host_port)) == 0) { | 533 | (fwd_host_port = a2port(sfwd_host_port)) == 0) { |
534 | log("Bad forwarding port(s)."); | 534 | logit("Bad forwarding port(s)."); |
535 | goto out; | 535 | goto out; |
536 | } | 536 | } |
537 | if (local) { | 537 | if (local) { |
538 | if (channel_setup_local_fwd_listener(fwd_port, buf, | 538 | if (channel_setup_local_fwd_listener(fwd_port, buf, |
539 | fwd_host_port, options.gateway_ports) < 0) { | 539 | fwd_host_port, options.gateway_ports) < 0) { |
540 | log("Port forwarding failed."); | 540 | logit("Port forwarding failed."); |
541 | goto out; | 541 | goto out; |
542 | } | 542 | } |
543 | } else | 543 | } else |
544 | channel_request_remote_forwarding(fwd_port, buf, | 544 | channel_request_remote_forwarding(fwd_port, buf, |
545 | fwd_host_port); | 545 | fwd_host_port); |
546 | log("Forwarding port."); | 546 | logit("Forwarding port."); |
547 | out: | 547 | out: |
548 | signal(SIGINT, handler); | 548 | signal(SIGINT, handler); |
549 | enter_raw_mode(); | 549 | enter_raw_mode(); |
@@ -593,10 +593,23 @@ process_escapes(Buffer *bin, Buffer *bout, Buffer *berr, char *buf, int len) | |||
593 | /* We have been continued. */ | 593 | /* We have been continued. */ |
594 | continue; | 594 | continue; |
595 | 595 | ||
596 | case 'B': | ||
597 | if (compat20) { | ||
598 | snprintf(string, sizeof string, | ||
599 | "%cB\r\n", escape_char); | ||
600 | buffer_append(berr, string, | ||
601 | strlen(string)); | ||
602 | channel_request_start(session_ident, | ||
603 | "break", 0); | ||
604 | packet_put_int(1000); | ||
605 | packet_send(); | ||
606 | } | ||
607 | continue; | ||
608 | |||
596 | case 'R': | 609 | case 'R': |
597 | if (compat20) { | 610 | if (compat20) { |
598 | if (datafellows & SSH_BUG_NOREKEY) | 611 | if (datafellows & SSH_BUG_NOREKEY) |
599 | log("Server does not support re-keying"); | 612 | logit("Server does not support re-keying"); |
600 | else | 613 | else |
601 | need_rekeying = 1; | 614 | need_rekeying = 1; |
602 | } | 615 | } |
@@ -655,6 +668,7 @@ process_escapes(Buffer *bin, Buffer *bout, Buffer *berr, char *buf, int len) | |||
655 | "%c?\r\n\ | 668 | "%c?\r\n\ |
656 | Supported escape sequences:\r\n\ | 669 | Supported escape sequences:\r\n\ |
657 | %c. - terminate connection\r\n\ | 670 | %c. - terminate connection\r\n\ |
671 | %cB - send a BREAK to the remote system\r\n\ | ||
658 | %cC - open a command line\r\n\ | 672 | %cC - open a command line\r\n\ |
659 | %cR - Request rekey (SSH protocol 2 only)\r\n\ | 673 | %cR - Request rekey (SSH protocol 2 only)\r\n\ |
660 | %c^Z - suspend ssh\r\n\ | 674 | %c^Z - suspend ssh\r\n\ |
@@ -665,7 +679,7 @@ Supported escape sequences:\r\n\ | |||
665 | (Note that escapes are only recognized immediately after newline.)\r\n", | 679 | (Note that escapes are only recognized immediately after newline.)\r\n", |
666 | escape_char, escape_char, escape_char, escape_char, | 680 | escape_char, escape_char, escape_char, escape_char, |
667 | escape_char, escape_char, escape_char, escape_char, | 681 | escape_char, escape_char, escape_char, escape_char, |
668 | escape_char, escape_char); | 682 | escape_char, escape_char, escape_char); |
669 | buffer_append(berr, string, strlen(string)); | 683 | buffer_append(berr, string, strlen(string)); |
670 | continue; | 684 | continue; |
671 | 685 | ||
@@ -988,9 +1002,8 @@ client_loop(int have_pty, int escape_char_arg, int ssh2_chan_id) | |||
988 | /* Do channel operations unless rekeying in progress. */ | 1002 | /* Do channel operations unless rekeying in progress. */ |
989 | if (!rekeying) { | 1003 | if (!rekeying) { |
990 | channel_after_select(readset, writeset); | 1004 | channel_after_select(readset, writeset); |
991 | 1005 | if (need_rekeying || packet_need_rekeying()) { | |
992 | if (need_rekeying) { | 1006 | debug("need rekeying"); |
993 | debug("user requests rekeying"); | ||
994 | xxx_kex->done = 0; | 1007 | xxx_kex->done = 0; |
995 | kex_send_kexinit(xxx_kex); | 1008 | kex_send_kexinit(xxx_kex); |
996 | need_rekeying = 0; | 1009 | need_rekeying = 0; |
@@ -1181,7 +1194,7 @@ client_request_forwarded_tcpip(const char *request_type, int rchan) | |||
1181 | c = channel_new("forwarded-tcpip", | 1194 | c = channel_new("forwarded-tcpip", |
1182 | SSH_CHANNEL_CONNECTING, sock, sock, -1, | 1195 | SSH_CHANNEL_CONNECTING, sock, sock, -1, |
1183 | CHAN_TCP_WINDOW_DEFAULT, CHAN_TCP_WINDOW_DEFAULT, 0, | 1196 | CHAN_TCP_WINDOW_DEFAULT, CHAN_TCP_WINDOW_DEFAULT, 0, |
1184 | xstrdup(originator_address), 1); | 1197 | originator_address, 1); |
1185 | xfree(originator_address); | 1198 | xfree(originator_address); |
1186 | xfree(listen_address); | 1199 | xfree(listen_address); |
1187 | return c; | 1200 | return c; |
@@ -1217,8 +1230,7 @@ client_request_x11(const char *request_type, int rchan) | |||
1217 | return NULL; | 1230 | return NULL; |
1218 | c = channel_new("x11", | 1231 | c = channel_new("x11", |
1219 | SSH_CHANNEL_X11_OPEN, sock, sock, -1, | 1232 | SSH_CHANNEL_X11_OPEN, sock, sock, -1, |
1220 | CHAN_TCP_WINDOW_DEFAULT, CHAN_X11_PACKET_DEFAULT, 0, | 1233 | CHAN_TCP_WINDOW_DEFAULT, CHAN_X11_PACKET_DEFAULT, 0, "x11", 1); |
1221 | xstrdup("x11"), 1); | ||
1222 | c->force_drain = 1; | 1234 | c->force_drain = 1; |
1223 | return c; | 1235 | return c; |
1224 | } | 1236 | } |
@@ -1240,7 +1252,7 @@ client_request_agent(const char *request_type, int rchan) | |||
1240 | c = channel_new("authentication agent connection", | 1252 | c = channel_new("authentication agent connection", |
1241 | SSH_CHANNEL_OPEN, sock, sock, -1, | 1253 | SSH_CHANNEL_OPEN, sock, sock, -1, |
1242 | CHAN_X11_WINDOW_DEFAULT, CHAN_TCP_WINDOW_DEFAULT, 0, | 1254 | CHAN_X11_WINDOW_DEFAULT, CHAN_TCP_WINDOW_DEFAULT, 0, |
1243 | xstrdup("authentication agent connection"), 1); | 1255 | "authentication agent connection", 1); |
1244 | c->force_drain = 1; | 1256 | c->force_drain = 1; |
1245 | return c; | 1257 | return c; |
1246 | } | 1258 | } |